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Finding the Fourth Proportional to 1,847,732, 2,549,877.84 and 999,860

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Solution

The fourth proportional to 1,847,732, 2,549,877.84 and 999,860 is: 1,379,810.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,847,732 : 2,549,877.84 = 999,860 : x
  2. Step 2: Convert to fraction form
    1,847,732/2,549,877.84 = 999,860/x
  3. Step 3: Cross multiply
    1,847,732x = 2,549,877.84 × 999,860
  4. Step 4: Simplify right side
    1,847,732x = 2,549,520,857,102.40
  5. Step 5: Solve for x
    x = 2,549,520,857,102.40/1,847,732
  6. Step 6: Final answer
    x = 1,379,810.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.